fix: external link icon shouldn't be vertical aligned (#699)

sean

2024-01-16 107d9b8dff59de34a2ebef4b7be942b12f435e3a

 quartz/plugins/transformers/syntax.ts

@@ -8,7 +8,11 @@
      [
        rehypePrettyCode,
        {
          theme: "css-variables",
          keepBackground: false,
          theme: {
            dark: "github-dark",
            light: "github-light",
          },
        } satisfies Partial<CodeOptions>,
      ],
    ]